EP 0352951 A2 19900131 - A.C. generator fault detector.
Title (en)
A.C. generator fault detector.
Title (de)
Fehlerdetektor für Wechselstromgenerator.
Title (fr)
Détecteur de défaut pour un générateur à courant alternatif.
Publication
Application
Priority
GB 8817599 A 19880723
Abstract (en)
Faults in the operation of a multi-phase A.C. generator are detected by monitoring the phase difference between two line-to-line voltages of the generator and comparing this phase difference with a predetermined value or range of values to indicate a fault.
IPC 1-7
IPC 8 full level
H02P 9/00 (2006.01); H02H 3/253 (2006.01); H02H 7/06 (2006.01)
CPC (source: EP US)
H02H 3/253 (2013.01 - EP US); H02H 7/06 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0352951 A2 19900131; EP 0352951 A3 19910703; EP 0352951 B1 19940914; DE 68918194 D1 19941020; GB 8817599 D0 19880901; JP H02133099 A 19900522; US 5126678 A 19920630
DOCDB simple family (application)
EP 89307246 A 19890718; DE 68918194 T 19890718; GB 8817599 A 19880723; JP 19035389 A 19890721; US 68778691 A 19910422